For some reason, a number of reviewers have claimed it takes some time to learn how to use this sharpener to appropriately sharpen bits. I read the product instructions and sharpened approximately 15 bits the first time I used it. First, this is the "entry level" sharpener made by Darex (350X). The 500 and 750 models have features that make them more complicated. My review is of the 350X only. Second, although I sharpened my "utility' bits first, all appear to be very sharp now. Third, the only issue for me was the depth of placement of the bit in the collet. The instructions call for placing the bit in the collet and pushing it into the sharpener in a way that pushes back the bit to the appropriate depth. I found that this left too little of the bit exposed to the sharpener. However it is a simple matter to push it out slightly to get the entire faces of the bits completely ground. It doesn't take long (30 to 50 seconds) and with this device, you shouldn't have any dull bits. Unless you are a "use it and lose it" bit owner, this is a handy and useful sharpener.Read full review
Verified purchase: Yes | Condition: Pre-owned
I was excited when I finally purchased this item. Imagine, being able to save all those dull drill bits and give them new life! Unfortunately I was in for quite a disappointment! The unit arrived and I unpacked it and grabbed the owner's manual for my sit-down instruction lessons. After reading the manual I set out to sharpen my dull bits. Even after consulting the book and re-reading the instructions, I was face with the terrible disappointment of the unit destroying bit after bit. Following the instructions to the letter didn't seem to matter as no matter how carefully I placed dull bits in the unit and procedded to destroy bit after bit no matter how careful I was. I even had a friend who is a carpenter stop buy in case I was doing something wrong. He looked everything over and tried to sharpen a few bits, but the result was the same! So although I thought I was getting a quality piece of equipment, it turned out to be nothing more than a quality piece of crap!Read full review
Verified purchase: Yes | Condition: New
I received my Drill Doctor and immidietly set it to work on pile of dull drills that I had laying around waiting for me go take to the good old becnh grinder. Well, I'll have to say that for any drill that will fit in the Drill Doctor, they will not be abused there anymore. Does a lot better than I could do on my own.
Verified purchase: Yes | Condition: New
The unit works well, but it does take some time to learn how to use it properly to get a nice sharp bit. I have so many bad bits I have many to experiment on to get it right. Still worth it since a dull bit is a pain and new quality bits can be expensive.
Verified purchase: Yes | Condition: Pre-owned
The drill doctor works great and the instructional video on DVD they provide shows you how if you dont want to read the instruction book
Verified purchase: Yes | Condition: Pre-owned
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